Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983stin...8435238r&link_type=abstract
Unknown
Astronomy and Astrophysics
Astronomy
Abundance, Chemical Evolution, Galactic Clusters, Temperature, X Ray Sources, X Ray Spectra, Cosmology, Heao 1, High Temperature Plasmas, Iron, Luminosity, Metallicity, Silicon, Solid State Devices, Spatial Distribution, Spectrometers, Stellar Evolution, Sulfur, X Ray Astronomy, X Ray Telescopes
Scientific paper
Results of Einstein solid state spectrometer observations of the central region of Abell 576 combined with HEAO 1 spectra of the total cluster are given. Line emission was detected due to Fe, Si, and S from a hot plasma in the central region. The temperature of the total cluster spectrum may be in conflict with the central temperature. This difference can be explained either if cooling takes place in the center, or if part of the measured emission is due to individual galaxies. If the X-ray emission comes from the intergalactic gas only, there is some difficulty in producing all the silicon observed in the galaxies of A 576.
Holt Stephen S.
Mushotzky Richard F.
Rothenflug R.
Vigroux Laurant
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